Licensed Heating & Air Conditioning (C-20) contractors in California

The California Contractors State License Board (CSLB) lists 8,999 California contractors classified C-20 (Heating & Air Conditioning (C-20)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of June 28, 2026.

Showing 1,921–1,980 of 8,999 contractors

1. Burgess Heating And Air INC

   Lancaster, CA · CSLB #1071398 · as of June 28, 2026
   Active · clear
2. Burgos Air Conditioning & Heating INC

   Hanford, CA · CSLB #897721 · as of June 28, 2026
   Active · clear
3. Burkell Plumbing INC

   Sausalito, CA · CSLB #417360 · as of June 28, 2026
   Active · clear
4. Burlingame Heating And Ventilation INC

   Hayward, CA · CSLB #414631 · as of June 28, 2026
   Active · clear
5. Burridge Air

   Huntington Beach, CA · CSLB #930700 · as of June 28, 2026
   Active · clear
6. George W Burtless JR A/c & HTG

   La Mesa, CA · CSLB #572024 · as of June 28, 2026
   Active · clear
7. Burton Heating And Air

   Santa Rosa, CA · CSLB #987575 · as of June 28, 2026
   Active · clear
8. Sequoia Air INC DBA Bustos Heating & Cooling

   Exeter, CA · CSLB #1097878 · as of June 28, 2026
   Active · clear
9. Jim Butcher Heating & Air INC

   Lakeside, CA · CSLB #537817 · as of June 28, 2026
   Active · clear
10. Butler Air

    Bakersfield, CA · CSLB #956871 · as of June 28, 2026
    Active · clear
11. Butler's Heating And Air

    Pomona, CA · CSLB #964290 · as of June 28, 2026
    Active · clear
12. Butte Mechanical

    Paradise, CA · CSLB #904515 · as of June 28, 2026
    Active · clear
13. Buzcor Heating & Air Conditioning

    Temecula, CA · CSLB #951920 · as of June 28, 2026
    Active · clear
14. BV Mechanical Services LLC

    Oakland, CA · CSLB #1134400 · as of June 28, 2026
    Active · clear
15. BY The Book Plumbing Heating Air Conditioning

    San Diego, CA · CSLB #1078955 · as of June 28, 2026
    Active · clear
16. BYZ Heating & Cooling

    Hawthorne, CA · CSLB #1132042 · as of June 28, 2026
    Active · clear
17. B Z Refrigeration

    Pacheco, CA · CSLB #1004726 · as of June 28, 2026
    Active · clear
18. C1 Airtech

    Cerritos, CA · CSLB #1142638 · as of June 28, 2026
    Active · clear
19. C-20 Air Heating & Air Conditioning

    Rialto, CA · CSLB #1032576 · as of June 28, 2026
    Active · clear
20. Cable Technologies

    Spring Valley, CA · CSLB #1033309 · as of June 28, 2026
    Active · clear
21. Cabrerascooling LLC

    Sacramento, CA · CSLB #1151971 · as of June 28, 2026
    Active · clear
22. Two Guys Plumbing INC DBA Cabrillo Plumbing & Heating

    San Francisco, CA · CSLB #629538 · as of June 28, 2026
    Active · clear
23. Caceres Air Solutions INC

    Jurupa Valley, CA · CSLB #1097653 · as of June 28, 2026
    Active · clear
24. Cadillac Heating & Air

    Citrus Heights, CA · CSLB #1138198 · as of June 28, 2026
    Active · clear
25. Caesar's Appliance Service INC

    Laguna Niguel, CA · CSLB #1121041 · as of June 28, 2026
    Active · clear
26. Ca Heating And Air Conditioning

    Livermore, CA · CSLB #1099080 · as of June 28, 2026
    Active · clear
27. Cah Heating & Cooling INC

    Los Angeles, CA · CSLB #1129126 · as of June 28, 2026
    Active · clear
28. Cal Air Control

    Bakersfield, CA · CSLB #749289 · as of June 28, 2026
    Active · clear
29. Cal - Air Cooling & Heating

    Visalia, CA · CSLB #960911 · as of June 28, 2026
    Active · clear
30. Cal - Air Heating + Cooling

    Redlands, CA · CSLB #1060345 · as of June 28, 2026
    Active · clear
31. Cal Air & Heating Services

    Fillmore, CA · CSLB #1018414 · as of June 28, 2026
    Active · clear
32. Cal-air Home And Comfort LLC

    Rancho Cordova, CA · CSLB #1157218 · as of June 28, 2026
    Active · clear
33. Cal Air Solutions INC

    Salida, CA · CSLB #1134053 · as of June 28, 2026
    Active · clear
34. Cal Air Systems

    Shingle Springs, CA · CSLB #1080885 · as of June 28, 2026
    Active · clear
35. Cal Bay Mechanical INC

    San Jose, CA · CSLB #1044355 · as of June 28, 2026
    Active · clear
36. Cal - Bay Service

    Benicia, CA · CSLB #690694 · as of June 28, 2026
    Active · clear
37. Cal Bear Heating And Air LLC

    Rancho Cordova, CA · CSLB #1121878 · as of June 28, 2026
    Active · clear
38. Calbreeze Ac And Heating

    Ceres, CA · CSLB #1139865 · as of June 28, 2026
    Active · clear
39. Cal-breeze Heating & Air Conditioning LLC

    Dublin, CA · CSLB #1147896 · as of June 28, 2026
    Active · clear
40. Cal Climate Corporation

    Burbank, CA · CSLB #265735 · as of June 28, 2026
    Active · clear
41. Cal-coast Refrigeration INC

    Santa Maria, CA · CSLB #647278 · as of June 28, 2026
    Active · clear
42. Cal Comfort

    Richmond, CA · CSLB #867824 · as of June 28, 2026
    Active · clear
43. Calcoms

    Brea, CA · CSLB #960030 · as of June 28, 2026
    Active · clear
44. Cal-cool

    Rancho Palos Verdes, CA · CSLB #532605 · as of June 28, 2026
    Active · clear
45. Cal - Cool Mechanical

    San Diego, CA · CSLB #741451 · as of June 28, 2026
    Active · clear
46. Calculated Aire INC

    Redondo Beach, CA · CSLB #1114379 · as of June 28, 2026
    Active · clear
47. Calculated Air INC

    Encino, CA · CSLB #545604 · as of June 28, 2026
    Active · clear
48. Caledonian Mechanical INC

    Clovis, CA · CSLB #1021531 · as of June 28, 2026
    Active · clear
49. Cal Heating & Air INC

    Hollister, CA · CSLB #920156 · as of June 28, 2026
    Active · clear
50. Cal Home Run

    Redlands, CA · CSLB #1154550 · as of June 28, 2026
    Active · clear
51. Cal HVAC Services

    Irvine, CA · CSLB #1032743 · as of June 28, 2026
    Active · clear
52. Cali 4 Commercial & Residential HVAC

    Grimes, CA · CSLB #1120452 · as of June 28, 2026
    Active · clear
53. Cali Air

    Lincoln, CA · CSLB #1126238 · as of June 28, 2026
    Active · clear
54. Cali Aire

    Winnetka, CA · CSLB #1011490 · as of June 28, 2026
    Active · clear
55. Caliaire INC

    Sacramento, CA · CSLB #732849 · as of June 28, 2026
    Active · clear
56. Cali Bear Heating & Air-conditioning

    Arleta, CA · CSLB #1094117 · as of June 28, 2026
    Active · clear
57. Caliber Air

    Huntington Beach, CA · CSLB #845043 · as of June 28, 2026
    Active · clear
58. Caliber Heating & Air Conditioning INC

    Anaheim, CA · CSLB #853660 · as of June 28, 2026
    Active · clear
59. Caliber Heating & Air Conditioning Services INC

    Los Angeles, CA · CSLB #1033366 · as of June 28, 2026
    Active · clear
60. Cali Breeze Heating And Air Conditioning

    Vista, CA · CSLB #1052980 · as of June 28, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 28, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.